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Capital Stock and Warrants - Summary of Issued Warrants (Parenthetical) (Detail) (USD $)	0 Months Ended	12 Months Ended
	Sep. 19, 2001	Dec. 30, 2012	Sep. 29, 2013
Equity [Abstract]
Number of shares convertible under warrant	200,000
Exercise price of warrants		$ 8.16
Exercise price of warrants	5.00	5.46	0.01
Common stock fair value		$ 8.16
Fair value assumption, expected life of warrants		5 years
Volatility		53.00%
Fair value assumption, risk-free interest rate		1.10%
Fair value assumption, dividend yield		0.00%
Common stock warrant, expiration date	Sep. 01, 2011

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Estimated Fair Value Common Stock

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Exercise price per share or per unit of warrants or rights outstanding.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Agreed upon price for the exchange of the underlying asset.

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